EP1154870A1 - Process for deforming a piece of thin-walled metal tube - Google Patents
Process for deforming a piece of thin-walled metal tubeInfo
- Publication number
- EP1154870A1 EP1154870A1 EP00906750A EP00906750A EP1154870A1 EP 1154870 A1 EP1154870 A1 EP 1154870A1 EP 00906750 A EP00906750 A EP 00906750A EP 00906750 A EP00906750 A EP 00906750A EP 1154870 A1 EP1154870 A1 EP 1154870A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piece
- tube
- bending
- thin
- deforming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000002184 metal Substances 0.000 title claims abstract description 5
- 238000005452 bending Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 4
- 230000037303 wrinkles Effects 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005336 cracking Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/08—Bending by altering the thickness of part of the cross-section of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/15—Bending tubes using mandrels or the like using filling material of indefinite shape, e.g. sand, plastic material
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1011330A NL1011330C2 (en) | 1999-02-17 | 1999-02-17 | Method for deforming a thin-walled metal pipe section. |
NL1011330 | 1999-02-17 | ||
PCT/NL2000/000099 WO2000048762A1 (en) | 1999-02-17 | 2000-02-17 | Process for deforming a piece of thin-walled metal tube |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1154870A1 true EP1154870A1 (en) | 2001-11-21 |
EP1154870B1 EP1154870B1 (en) | 2004-01-07 |
Family
ID=19768679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00906750A Revoked EP1154870B1 (en) | 1999-02-17 | 2000-02-17 | Process for deforming a piece of thin-walled metal tube |
Country Status (8)
Country | Link |
---|---|
US (1) | US6766678B1 (en) |
EP (1) | EP1154870B1 (en) |
AT (1) | ATE257413T1 (en) |
AU (1) | AU2831200A (en) |
DE (1) | DE60007618T2 (en) |
ES (1) | ES2211509T3 (en) |
NL (1) | NL1011330C2 (en) |
WO (1) | WO2000048762A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19955694A1 (en) | 1999-11-18 | 2001-05-23 | Alusuisse Tech & Man Ag | Process for forming an initial profile or the like workpiece and profile therefor |
US7204114B2 (en) * | 2003-08-28 | 2007-04-17 | General Motors Corporation | Method of progressive hydro-forming of tubular members |
DE10351138B4 (en) * | 2003-11-03 | 2005-10-06 | Daimlerchrysler Ag | Method for producing an elongated hollow component with an abutment component |
US7143618B2 (en) * | 2004-01-22 | 2006-12-05 | General Motors Corporation | Method of making pre-formed tubular members |
EP2143508B1 (en) * | 2007-04-18 | 2016-11-30 | Nippon Steel & Sumitomo Metal Corporation | Method of hydroforming work |
US7905129B1 (en) | 2009-09-21 | 2011-03-15 | Ford Global Technologies, Llc | Method and tool for contracting tubular members by electro-hydraulic forming before hydroforming |
US8567223B2 (en) * | 2009-09-21 | 2013-10-29 | Ford Global Technologies, Llc | Method and tool for expanding tubular members by electro-hydraulic forming |
DE102010046181B4 (en) * | 2010-09-23 | 2014-01-16 | Benteler Automobiltechnik Gmbh | Method for forming a cylindrical tubular body and arrangement for carrying out the method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1542983A (en) * | 1920-05-18 | 1925-06-23 | Gustave R Thompson | Drawn article and method for making the same |
GB1040579A (en) * | 1963-03-29 | 1966-09-01 | Electrolux Ltd | Method of producing a heat exchange element from pipe, and elements produced thereby |
JPS6186029A (en) * | 1984-10-02 | 1986-05-01 | Nissan Motor Co Ltd | Bending and bulging working method of pipe |
JPH07214147A (en) * | 1994-02-01 | 1995-08-15 | Tube Forming:Kk | Production of special shaped tube |
DE4428564C2 (en) * | 1994-08-12 | 1996-09-19 | Daimler Benz Ag | Device for producing angled hollow parts by hydroforming |
JPH08192238A (en) * | 1995-01-12 | 1996-07-30 | Tube Forming:Kk | Frame forming method |
DE59504498D1 (en) * | 1995-09-21 | 1999-01-21 | Benteler Werke Ag | Method of manufacturing an axle beam |
-
1999
- 1999-02-17 NL NL1011330A patent/NL1011330C2/en not_active IP Right Cessation
-
2000
- 2000-02-17 AT AT00906750T patent/ATE257413T1/en not_active IP Right Cessation
- 2000-02-17 WO PCT/NL2000/000099 patent/WO2000048762A1/en not_active Application Discontinuation
- 2000-02-17 AU AU28312/00A patent/AU2831200A/en not_active Abandoned
- 2000-02-17 EP EP00906750A patent/EP1154870B1/en not_active Revoked
- 2000-02-17 ES ES00906750T patent/ES2211509T3/en not_active Expired - Lifetime
- 2000-02-17 US US09/913,520 patent/US6766678B1/en not_active Expired - Fee Related
- 2000-02-17 DE DE2000607618 patent/DE60007618T2/en not_active Revoked
Non-Patent Citations (1)
Title |
---|
See references of WO0048762A1 * |
Also Published As
Publication number | Publication date |
---|---|
US6766678B1 (en) | 2004-07-27 |
EP1154870B1 (en) | 2004-01-07 |
NL1011330C2 (en) | 2000-08-18 |
DE60007618D1 (en) | 2004-02-12 |
AU2831200A (en) | 2000-09-04 |
DE60007618T2 (en) | 2004-11-18 |
ES2211509T3 (en) | 2004-07-16 |
WO2000048762A1 (en) | 2000-08-24 |
ATE257413T1 (en) | 2004-01-15 |
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